1 files changed, 2 insertions, 1 deletions

diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 9365a12c2..4f83fbfa2 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -70,12 +70,13 @@ static char *conf_expand_value(const char *in)
 char *conf_get_default_confname(void)
 {
         struct stat buf;
-        static char fullname[PATH_MAX+1];
+        static char *fullname = NULL;
         char *env, *name;
 
         name = conf_expand_value(conf_defname);
         env = getenv(SRCTREE);
         if (env) {
+                fullname = realloc(fullname, strlen(env) + strlen(name) + 2);
                 sprintf(fullname, "%s/%s", env, name);
                 if (!stat(fullname, &buf))
                         return fullname;